01 Record
CVE-2019-8338
The signature verification routine in the Airmail GPG-PGP Plugin, versions 1.0 (9) and earlier, does not verify the status of the signature at all, which allows remote attackers to spoof arbitrary
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
The signature verification routine in the Airmail GPG-PGP Plugin, versions 1.0 (9) and earlier, does not verify the status of the signature at all, which allows remote attackers to spoof arbitrary
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.72% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 77.1% of scored records. A rank, not a probability.
- NVD base score
- 5.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-05-16 16:02Z7 YR AGO
- Last updated
- 2024-08-04 21:17Z2 YR AGO
- Reserved
- 2019-02-15
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-347Improper Verification of Cryptographic SignatureBase
- Data version
- 5.1
- Document digest
- 325e49a8aac008f1cae0d1707c2969802406a9c9458e76f9444cc83dc539de1c
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/Airmail/AirmailPlugIn-Framework/commits/master
- seclists.org20190430 OpenPGP and S/MIME signature forgery attacks in multiple email clientshttp://seclists.org/fulldisclosure/2019/Apr/38
- packetstormsecurity.comhttp://packetstormsecurity.com/files/152703/Johnny-You-Are-Fired.html
- www.openwall.com[oss-security] 20190430 Spoofing OpenPGP and S/MIME Signatures in Emails (multiple clients)https://www.openwall.com/lists/oss-security/2019/04/30/4
- github.comhttps://github.com/RUB-NDS/Johnny-You-Are-Fired
- github.comhttps://github.com/RUB-NDS/Johnny-You-Are-Fired/blob/master/paper/johnny-fired.pdf